[thadajirajaras]

Which one is correct?

(For the first time when we talk about uncountable nouns)
A)water
B)the water


(only one type of English class)
A)their English calsses
B)their English class

(They study in the same class.)
A)An English class for them
B)English classes for them

(Anyone can't be overseas students because "anyone" is singular but "students" is plural.)
A)Advantages of being an overseas student studying English in Australia
B)Advantages of being overseas students studying English in Australia